INJECTOR FOR DROP IRRIGATION Russian patent published in 2005 - IPC

FIELD: agricultural amelioration, in particular, drop irrigation equipment.

SUBSTANCE: injector for drop irrigation has water outlet and porous casing. Water outlet is made in the form of case with lower and upper communicating chambers. Case is made detachable. Upper chamber is equipped with float valve having spherical member and ring arranged under spherical member. Ring is formed as tore. Case has inlet and outlet openings. Lower and upper communicating chambers are separated with membrane fixed in case between its detachable parts. Peripheral part of membrane is equipped with apertures for communicating lower chamber with upper chamber. Porous casing of injector and pressure regulator are arranged within outlet opening of water outlet casing. Pressure regulator is made in the form of replaceable porous member comprising yarn composed of twisted threads. Upper end of yarn is placed in lower chamber joined to porous casing, which is formed as replaceable cartridge. Cartridge cavity is closed at its lower end with conical tip for deepening of injector into soil root layer.

EFFECT: uniform moistening of soil root layer, differentiated feeding of irrigation water depending on water consumption by plant, surface evaporation and distribution of water into lower soil layers and plow layer.

5 cl, 1 dwg